Why is horny goat weed deepening my voice?

Raspy maybe?: One of the primary side effects of horny goat weed is dry mouth. This could cause your voice to become raspy. It is also possible that you are developing ger d causing raspy voice than can sound deeper. Stop it and see if it goes away. If it does then you know that it's due to the supplement. If it doesn't, then see an ENT doctor to find out why something is going on in your vocal chords, especially if you are a smoker.

Tell your doc: Horny goat weed is an herb that has been used by some people for joint pain, htn, liver disease, hiv, memory loss and osteoporosis. It contains phytoestrogens which are similar to female estrogen, so not sure why you're voice is getting deeper. Large amts can cause breathing problems & spasms; which could affect your voice. It can lower blood pressure & increase risks of bleeding & bruising.

Horny goat weed: The plant's name refers to some of its uses in tcm, as an ingredient in yang tonics or "male" rejuvenators. Some people hope it will increase their virility. It's also been used as a body building agent. One study shows that it may increase sexual performance and quality of life in chronic renal failure patients. http://tinyurl.com/mzwlxqy with your deepening voice, maybe it's working.